. it was lake michigan. >> reporter: it turned out, he was right. he came back for a do-over and went home with $125,000. game show gaffes are very, very rare. after the scandals of the 1950s when shows like "twenty one" were fixed to keep telegenic contestants in the mix, congress made it illegal to rig a game show. behind the bonhomie, it's a tightly controlled medium. pat sajak chief of the persnickety pronunciation police just confirmed. >> renee knew it would happen. and it was kind of easy to do because you did it in the vernacular and said, "seven swans a swimmin.'" >> reporter: you're harsh, pat, you're harsh but fair. nick watt, abc news, los angeles. >> we'll hear what renee has to say about this tomorrow morning on "good morning america." we're always online at abcnews.com. be sure to watch "good morning america" first thing in the morning. bianna, ron ginger and i will be here with your news and weather. i'll see you right back here tomorrow night. for david muir and everyone here at abc news, thank you for watching. good night.